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Is it economical to purchase,install & operate VSD for certain applications?. For which application it is best?.
for economical wise :
using of VSD decreasing the running cost when there is a wide range of load variation at the same time initial cost will be higher
using VSD with constant load or small variation will be useless, it is better to use CSD with constant loads to decrease the initial cost
Optimize Power Usage
Thus reducing the need for energy
Remember (power generation leads to increased pollution)
